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Did Kellogg's Special K Original shrink?

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Barcode (EAN/UPC): 041192103674 · EAN-13 0041192103674 · Look up another barcode · Brand: Kellogg's

Size Facts
Did it shrink?No
Net wt. (latest)
12 oz
Metric: 340.2 g
Price$4.99
Unit price$1.47 / 100 g
Checks16

Size has stayed 340.2 g across 16 checks since 2026-10-20.

Compare this unit price with another pack →

A “No” here is not proof it never shrank. Our daily checks began on 2026-10-20; a cut before that shows up on ShrinkRadar only once a source documents both the old and the new size. Documented Kellogg's cases are listed below. Have an older pack? Submit a sighting →

Size history

CheckedNet wt.PriceUnit price
2026-11-0512 oz$4.99$1.47/100 g
2026-11-0312 oz$4.99$1.47/100 g
2026-11-0212 oz$4.99$1.47/100 g
2026-11-0112 oz$4.99$1.47/100 g
2026-10-3112 oz$4.99$1.47/100 g
2026-10-3012 oz$4.99$1.47/100 g
2026-10-2912 oz$4.99$1.47/100 g
2026-10-2812 oz$4.99$1.47/100 g
2026-10-2712 oz$4.99$1.47/100 g
2026-10-2612 oz$4.99$1.47/100 g
2026-10-2512 oz$4.99$1.47/100 g
2026-10-2412 oz$4.99$1.47/100 g
2026-10-2312 oz$4.99$1.47/100 g
2026-10-2212 oz$4.99$1.47/100 g
2026-10-2112 oz$4.99$1.47/100 g
2026-10-2012 oz$4.99$1.47/100 g

size source · price source

Topic guide: cereal shrinkflation, every documented case in one place, brand by brand.

Documented Kellogg's shrinks

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